Qt-interest Archive, April 2008
QTextEdit and <hr> html tag.
Message 1 in thread
Hi,
While playing around with a QTextEdit to append data to, and some HTML tags, I noticed a strange behaviour when adding a <hr>. When I read that some basic HTML tags could be used I thought that <hr> might be a nice separator between updates.
But when I do a first separation with a <hr> and then add extra updates with append(), every line gets a <hr> in between, unlike the expectation that it would draw a line at only the next call of the <hr>.
Here's a very basic example of what I mean.
#include <QApplication>
#include <QTextEdit>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit * area = new QTextEdit();
area->append("This is a test");
area->append("<HR>");
//area->append("------");
for ( int i = 0 ; i <= 5; i++)
{
area->append("TEST");
}
area->append("------");
area->show();
return app.exec();
}
Using QT 4.3.3 on Linux, I get a <hr> being drawn between every "TEST" and each following use of append().
Any ideas?
Best regards,
Christopher Ranschaert.
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Message 2 in thread
Christopher Ranschaert wrote:
> Hi,
>
>
> While playing around with a QTextEdit to append data to, and some HTML
> tags, I noticed a strange behaviour when adding a <hr>. When I read that
> some basic HTML tags could be used I thought that <hr> might be a nice
> separator between updates. But when I do a first separation with a <hr>
> and then add extra updates with append(), every line gets a <hr> in
> between, unlike the expectation that it would draw a line at only the next
> call of the <hr>.
>
It's probably related to bug169474, which is all about wierd behaviour of
the hr tag.
http://trolltech.com/developer/task-tracker/index_html?id=169474&method=entry
Email the testcase to qt-bugs@xxxxxxxxxxxxxx
My workaround for the bug was to surround the hr in a table, though it's not
perfect.
#include <QApplication>
#include <QTextEdit>
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QTextEdit * area = new QTextEdit();
area->append("This is a test");
area->append("<table width=\"100%\"><tr><td><hr /></td></tr></table>");
//area->append("------");
for ( int i = 0 ; i <= 5; i++)
{
area->append("TEST");
}
area->append("------");
area->show();
return app.exec();
}
Best Regards,
Steve.
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